Search results
Results from the WOW.Com Content Network
The liliger is the hybrid offspring of a male lion (Panthera leo) and a female liger (Panthera leo♂ × Panthera tigris♀). Thus, it is a second generation hybrid. In accordance with Haldane's rule, male tigons and ligers are sterile, but female ligers and tigons can produce cubs.
The liger is distinct from the opposite hybrid called the tigon (of a male tiger and a lioness), and is the largest of all known extant felines. [1] [2] They enjoy swimming, which is a characteristic of tigers, and are very sociable like lions. Notably, ligers typically grow larger than either parent species, unlike tigons. [1] [2] [3]
In support of the Charnov and Bull hypothesis, Warner and Shine (2008) showed confidently that incubation temperature influences males’ reproductive success differently than females in Jacky Dragon lizards (Amphibolurus muricatus) by treating the eggs with chemicals that interfere with steroid hormone biosynthesis. These chemicals block the ...
For a hybrid form to persist, it must be able to exploit the available resources better than either parent species, which, in most cases, it will have to compete with.For example: while grizzly bears and polar bears may be able to mate and produce offspring, a grizzly–polar bear hybrid is apparently less- suited in either of the parents' ecological niches than the original parent species ...
It can be an energetically demanding process, with adult albatrosses losing as much as 83 g of body weight a day. [6] Megapode eggs take from 49 to 90 days depending on the mound and ambient temperature. Even in other birds, ambient temperatures can lead to variation in incubation period. [7] Normally the egg is incubated outside the body.
Experts still don’t have basic answers as to why human ovaries age two times faster than the rest of their body. Or why humans go through menopause in the first place (a process we share with ...
Japanese researchers announced last year that healthy fertile mice had been born using eggs created from male mice's tail-tip cells. The male-derived eggs were fertilized with regular sperm, thus ...
Wild water buffalo and domestic water buffalo can hybridize freely. Subfamily Caprinae. Sheep-goat hybrids, such as the toast of Botswana. Family Camelidae. Cama, a cross between a male dromedary and a female llama, also an intergeneric hybrid. Dromedary and Bactrian camels can crossbreed and produce a one large-humped Hybrid camel.